Tire.



A. PRESGHL.

TIRE.

APPLIOATION FILEj-D JULY 8, 1908.

Patented Jan. 2, 1912.

ALFRED FRESCHL, 0F CHICAGU, ILLINOIS.

TIRE.

Specification of Letters Patent.

Patented i 2, rats.

Application filed .fuly 8, 1968. Serial No. 442,5t32.

To all whom it may concern:

Be it known that I, ALFRED FnEscnL, a citizen of the United States,residing at Chicago, in the county of Cook and State of Illinois, haveinvented certain new and useful Improvements in Tires, ofwhich thefollowing is a description.

My invention belongs to that class of devices known as tires, whetherpneumatic, cushion or the like, in which the body of the tire or tireproper is provided with a substantially detachable treadwhich is lockedon the tire.

My invention has for its objects the production. of asimple, convenientand more satisfactory tire of the kind described, in which the life ofthe tire is lengthened and the same less easily punctured. The preferredconstruction is also adapted to take a firm grip on the ground andreduce the sliding and skidding of the vehicle. The tread althoughnormally substantially continuous and securely fastened or locked on thetire, may be readily and easily detached andromoved and replaced by anew tread if desired.

To this end my invention consists in the novel construction,arrangement, and combi nation of partsherein shown and described andmore particularly pointed out in the claims.

In the drawings, wherein like reference characters indicate like orcorresponding parts, Figure l is a perspective View or" a portion of apneumatic tire embodying my construction, Fig. 2 a perspective view of aportion of the tread thereof removed from the tire, Fig. 3 is aperspective view of a portion of the tirewith the tread removed. Fig. 4is a sectional View of my construction as embodied in a solid or cushiontire.

Referring to the drawings, the construction, as illustrated, comprises atire 1 which for the purpose of distinction I shall term the'body part,of any suitable type Whether single or double tube, or of any suitablematerial, and applicable to any term of rim, and a detachable treadtherefor. The tread 2 is made of any suitable or desired material,preferably of fabric with rubber or other-- suitable material formedtherewith. The fabric may be out on the bias if desired and ispreferably arranged in vertical layers circumferentially around thetire. The tread 2 is secured to the body 1 of the tire in the preferredconstruction. by means of an extension on ,one art 006 eratina' with are- P ca cess on the other part. As shown the body part 1 is providedwith a dove-tailed recess 3 and the tread with the cooperating extension4 adapted to be positioned therein, so that the extension 4 and recess 3in themselves lock the tread to the tire. its stated when the tire isinflated the tread is substantially locked in the recess, it being acomparatively easy matter to insert the tread 2 when the tire isdeflated. It desired, the tread 2 may he placed on the market in rollsor on reels so that when it is desired to fit a new tread to a tire, therequired amount of tread may he cut from the roll and positioned on thebody part, the two ends of the tread being preferably serrated as shownat 5 in Fig. 1, or at 6 in Fig. 2. lhe ends when so brought together andwhether serrated as shown or in any other way, may he vulcanized orcemented together forming a sub-.

stantially continuous tread.

Any suitablemeans may be employed to prevent the tread from creeping onthe tire,

that is to prevent circumferential movement of one relative to theother. As shown the tire 1 is provided with heads 7 within thedove-tailed recess 3 adopted to cooperate with corresponding recesses 8on the tread. It is obvious that any other equivalent means may beemployed for the purpose. There may be any number of heads 7 and whenthe tread is placed on the market in rolls the recesses 8 may be cut inthe tread to correspond with the heads 7 at the time that the same isfitted or positioned on the tire. As shown in Fig. 1 a plurality ofbolts 9 are arranged passing transversely through the tire and tread,which in themselves prevent creeping of the tread on the tire. As shownin this figure a plurality of strips or plates 10 are arranged on eachside of the tire serving as washers for the bolts 9. The plates 10 maybe countersunk in the tire if desired, and While shown in a plurality ofpieces and substantially hinged together any other suitable arrangementmay be employed.

As is obvious when the tread is worn it may be detached and replaced bya new tread if desired, the preferred construction giving asubstantiallypunctureproof tire.

It might be mentioned that the tread when made up of fabric asdescribed, may be out tothe shapes shown or pressed into those shapes aspreferred.

In the form shown in Fig. 4:, the tire or body part 1 is made solid andpreferably of rubber or-other equivalent cushioning macementing orotherwise additionally fasten-- ing the tread to the body part shouldthat be desired, the cementing to a large extent preventing moisturefrom penetrating between the tire and tread.

Having thus described my invention it is obvious that various immaterialmodifications may be made in the form, construction, arrangement andcombination of parts shown and described without departing from thespirit of my invention, hence I do not wish to be understood as limitingmyself to the exact form, arrangement or combination of parts shown anddescribed.

What I claim and desire to secure by Letters Patent is:

l. A tire comprising a body part and a detachable tread, the body partofthe tire being yieldable and having upwardly extending overhanging sideflanges, the tread member,compris1ng a plurality of vertically extendingrelatively thin layers of yieldable material, the tread havingacircumferentially extending cut out portion in each side whereby to forma projecting tongue to engage under the overhanging flange of the bodypart, and whereby to provide an oppositely'extending tongue whichoverlies the upper surface of said flange, and rods ex tending throughthe respective flanges of the body part, and through the various layersof the tread part, and means for adjusting said rods lengthwise wherebyto bindingly engage the flanges of the body part with the tread part andto compress the layers of said tread part.

2. A tire comprising a body part and a detachable tread, the body partof the tire being yieldable and having upwardly extending overhangingside flanges, and the tread member comprising yieldable mate rial, thetread having a circumferentially extending cutout portion in each sidewhereby to form a projecting tongue to engage under the overhangingflange of the body part, and whereby to provide an oppositely extendingtongue which overlies the upper surface of said flange, rods extendingthrough the respective flanges of the body part, and through thetread'part, the projecting flanges of the body part having at spacedpoints thereabout integral inwardly projecting parts, and the yieldabletread having cooperating recessed parts to be engaged by said integralprojections on the flanges of the body part, substantially as shown anddescribed.

3. A tire comprising a body part and a detachable tread, the body partof the tire being yield-able and having upwardly extending overhangingside flanges, the tread member comprising a plurality of relatively thinvertically extending layers of yieldable material, the tread having acircumferentially extending cutout portion ineach side whereby to form aprojecting tongue to engage under the overhanging flange of the bodypart, and whereby to provide an oppositely extending tongue whichoverlies the upper) surface of said flange, rods extending through therespective flanges of the body part, and through the tread part, meansfor adjusting said rods lengthwise whereby to bindingly engage theflanges of the body part with the tread part and to compress the layersof said tread part, and circumferential plates or collars overlying theouter surfaces of the flanges of the body part and beneath the ends ofthe securing rods, said collars being formed of abutting sections havinga pivotal engagement one with the other. e

In testimony whereof, I have hereunto signed my name in the scribedwitnesses.

ALFRED FRE SCHL. WVitnesses RoY W. HILL, CHARLES I. COBB.

presence of two sub-'

